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313089929 is a prime number
BaseRepresentation
bin10010101010010…
…101111110001001
3210211010121122022
4102222111332021
51120122334204
651022334225
710521135425
oct2252257611
9724117568
10313089929
11150805109
1288a2a375
134cb31c19
142d81db85
151c7475be
hex12a95f89

313089929 has 2 divisors, whose sum is σ = 313089930. Its totient is φ = 313089928.

The previous prime is 313089857. The next prime is 313089941. The reversal of 313089929 is 929980313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310993225 + 2096704 = 17635^2 + 1448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313089929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 313089929.

It is not a weakly prime, because it can be changed into another prime (313089949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156544964 + 156544965.

It is an arithmetic number, because the mean of its divisors is an integer number (156544965).

Almost surely, 2313089929 is an apocalyptic number.

It is an amenable number.

313089929 is a deficient number, since it is larger than the sum of its proper divisors (1).

313089929 is an equidigital number, since it uses as much as digits as its factorization.

313089929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 313089929 is about 17694.3473742323. The cubic root of 313089929 is about 679.0311527052.

The spelling of 313089929 in words is "three hundred thirteen million, eighty-nine thousand, nine hundred twenty-nine".